ATEX Certified Explosion Proof Solenoid Valves for Hazardous Gas and Dust Areas

	Zone 0 and Zone 20 Catagory 1. Compliance EN50014:1997+A1+A2 EN50020:1994 ATEX II 2 G EEx ia IIC T6 or T4 1/8BSP and 1/4BSP 2/2 and 3/2 solenoid valves ATEX EexiaIICT6 24vdc coils Media air Pressure 0 to 8 Bar. Click here for Atex Certification Ideal as a control valve for Zone 0 Gas and Zone 20 Dust hazardous environments THESE ARE NORMALLY IN STOCK.
	Zone 1 and Zone 21 Catagory 2. Compliance EN50014:1997+A1+A2 EN50028:1987 EN50271-1-1:1998 Atex II 2 G Eexm II T4...T6 and II 2 D IP65 T80C, T95C and T130C ATEX EexmIIT4 Encapsulated coils from 12vDC to 230vAC to suit a wide range of solenoid valves. Click here for ATEX certification THESE ARE NORMALLY IN STOCK.
	Zone 1 and Zone 21 Catagory 2. Cenelec Standard 50018 EexdIICT6 Flameproof Connexion offer an extensive range of ATEX EexdIICT2 to T6 Flameproof Click here for ATEX Certification Options for a huge range of Brass and Stainless steel 2/2 and 3/2 solenoid valves up to 500 BAR Sizes from 1/8 BSP to DN300 flange. All voltage options and special requirements are available.

ATEX Explosion Proof EexdIICT6 3 way universal 0 - 10 Bar solenoid valve from Connexion Developments Ltd

Below Connexion Guide to Hazardous Areas.

Or try our valve search guide on the top right, choose the ATEX level of safety you require first and then from there reduce the available valve options. Or simply contact us for FREE ADVICE + ASSISTANCE.

Or Try our Product Selector on the Top Right Hand Side of this Page.

Media

Port Size - Type

Port Option

N-open/closed

Min Pressure

Max Pressure

Body Material

Protection

Special Option

click
to
search

Full 150 Page Priced Solenoid Valve Catalogue Click here for Index to all Connexion Solenoid Valves

Zone	Category	Presence of explosion atmospheres
Group II equipment
zone 0	category 1 G	Continuous, frequent or for long periods
zone 20	category 1 D	Continuous, frequent or for long periods

zone 1	category 2 G	Intermittent in normal operation (likely)
zone 21	category 2 D	Intermittent in normal operation (likely)

zone 2	category 3 G	Occasional or for short periods (never in normal operation)
zone 22	category 3 D

Zones.

Hazardous areas for Group II are further divided into Zones,

these Zones relate to the predicted occurence of when an Explosive Atmosphere may be present in the area.

These Zones are defined as being:

Colour	Zones	Presence of Gas
Red	0	Continuously present (During long periods)
Orange	1	Not Likely to be present (Regular service)
Yellow	2	Accidentally present (short time service never in regular service)

Colour	Zones	Presence of Dust
Red	20	Continuously present (During long periods)
Orange	21	Not Likely to be present (Regular service)
Yellow	22	Accidentally present (short time service never in regular service)

Types of ATEX Explosion Proof Protection Available from Connexion Developments Ltd

Protection symbol	0	20	1	21	2	22	Description	Symbolic Drawing
EexmIIT4 "m" Cenelec EN50028 Connexion Stock Item			X	X	X	X	Encapsulation. Refers to a special casing in which the parts of an electrical apparatus which could ignite an explosive atmosphere by either sparking or heating are encapsulated in a compound in such a way that this explosive atmosphere cannot be ignited.
EexiaIICT6 "ia" Cenelec EN50020/39 Connexion Stock Item	X	X	X	X	X	X	Intrinsically Safe. Refers to a circuit in which neither sparks or temperature can ignite an explosive atmosphere. If generated under the service conditions specified by the standard regulations (Normal and faulty operating conditions)
EexdIICT2 - 6 "d" Cenelec EN50018 Manufactured to Order			X	X	X	X	Flameproof enclosure. Refers to an electrical apparatus whose explosive parts are enclosed in an explosion proof casing. This casing will resist the pressure generated by the internal explosion or an explosive mixture and will prevent the explosion from penatrating to the ambient explosive atmosphere.

Temperature Classes.

Group 1
Temperature <150 C or <450 C according to coal dust accumulation on equipment
Group II
Temperature Class for Gas (G)	Permissible surface temperature of electrical equipment
T1 T2 T3 T4 T5 T6	450C 300C 200C 135C 100C 85C

Ignition Temperature for Dusts.

The dust ignition temperature depends on its consistancy and its nature. The ignition temperatures for various types of dust are available from reference tables. Connexion have a few common examples below.

Dusts	Ignition Temperature
Dusts	Clouds	5mm layer
Aluminium	560C	>450C
Charcoal	520C	320C
Coal Dust (Lignite)	380C	225C
Cocoa	590C	250C
Coffe Grounds	580C	290C
Corn	530C	460C
Methyl cellulose	420C	320C
Paper Fibre	570C	335C
Phenolic Resin	530C	>450C
Polyethylene	440C	melts
PVC	700C	>450C
Sugar	490C	460C
Soot	810C	570C
Starch	460C	435C
Toner	520C	melts
Wheat	510C	300C

Fuel or Chemical	Temperature
Fuel or Chemical	(^oC)	(^oF)
Acetaldehyde	175	347
Acetone	465	869
Acetylene	305	581
Anthracite - glow point	600	1112
Benzene	560	1040
Bituminous coal - glow point	454	850
Butane	420	788
Carbon	700	1292
Carbon - bi sulfide	149	300
Carbon monoxide	609	1128
Charcoal	349	660
Coal-tar oil	580	1076
Coke	700	1292
Cyclohexane	245	473
Diethyl ether	160	320
Ethane	515	859
Ethylene	490	914
Ehtyl Alcohol	365	689
Fuel Oil No.1	210	410
Fuel Oil No.2	256	494
Fuel Oil No.4	262	505
Heavy hydrocarbons	750	1382
Hydrogen	500	932
Gas oil	336	637
Gasoline	280	536
Gun Cotton	221	430
Kerosene	295	563
Isobutane	462	864
Isobutene	465	869
Isooctane	447	837
Isopentane	420	788
Isopropyl Alcohol	399	750
Light gas	600	1112
Light hydrocarbons	650	1202
Lignite - glow point	526	979
Methane (Natural Gas)	580	1076
Methyl Alcohol	385	725
Naphtha	550	1022
Neoheaxane	425	797
Neopentane	450	842
Nitro-glycerine	254	490
n-Butane	405	761
n-Heptane	215	419
n-Hexane	225	437
n-Octane	220	428
n-Pentane	260	500
n-Pentene	298	569
Oak Wood - dry	482	900
Peat	227	440
Petroleum	400	752
Pine Wood - dry	427	800
Phosphorous, amorphous	260	500
Phosphorous, transparent	49	120
Production gas	750	1382
Propane	480	842
Propylene	458	856
p-Xylene	530	986
Rifle Powder	288	550
Toluene	530	849
Semi anthracite coal	400	752
Semi bituminous coal - glow point	527	980
Styrene	490	914
Sulphur	243	470
Wood	300	572
Xylene	463	867


	Connexion Developments Ltd, Unit 3, Rainbow Court, Great Western Business Park, Yate, BS37 5NG Tel no 01454 334 990 FAX 01454 326 390 Email: sales@solenoidvalvesuk.com Reg. in England No. 3502257